Async JavaScript vs Web Worker Offloading (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Async JavaScript has a higher user rating (4.7/5 from 102 reviews) and leads in active installations (80K+ vs 20K+). Both are free WordPress plugins. Async JavaScript has accumulated 2.0M+ total downloads while Web Worker Offloading has 78K+.
Detailed Comparison
| Metric | Async JavaScript | Web Worker Offloading | |
|---|---|---|---|
| Rating | 4.7/5 | ◄ | 3/5 |
| Total Reviews | 102 | ◄ | 3 |
| Active Installs | 80K+ | ◄ | 20K+ |
| Total Downloads | 2.0M+ | ◄ | 78K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 2 years ago | ► | 1 month ago |
| First Released | 2014 | 2024 | |
| Age | 12 years | 2 years | |
| WP Requires | 4.6+ | 6.6+ | |
| PHP Requires | false+ | 7.2+ | |
| Business Model | Free | Free | |
| Latest Version | 2.21.08.31 | 0.2.1 |
Rating Breakdown
Async JavaScript
Web Worker Offloading
Download Trends
Over the past 30 days, Async JavaScript averaged approximately 92 daily downloads while Web Worker Offloading averaged 196.
Recent Reviews
Async JavaScript Reviews
Great plugin
A truly great plugin, does exactly what is describing. No extra stuff, great implementation and great support! Thank you!
Great plugin and support
I’ve been using this plugin for several months after it was suggested to me by a colleague. The setup was simple, but also gives advanced options that I needed, such as excluding certain scripts. I ha
Performance promise delivered
Exemplary support, and the plugin does exactly what it promises. This is unfortunately not a given in a time when many other plugins try to cover more and more tasks and end up in dangerous waters. As
Web Worker Offloading Reviews
life saver
thank you, this is amazing. i had problem with google tag manager and analytics. i used this + site kit plugin and my performance went from 70 to 99. if you wanna setup tag manager/analytics manually,
Not sure
I uploaded and activated. I assume that as the plugin details state that rankmath is integrated (rankmath has the option to load analytics locally- if i recall- which may affect it), that i didnt actu
Google Analytics and This = Does not work!
Problems with Google Analytics and Google Tag ManagerTested: 1 week. While Enabled: No hits, no recorded live users/users in Google Analytics. Google Tag Manager also didnt get to connect to the site.
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Frequently Asked Questions
Is Async JavaScript or Web Worker Offloading more popular?
Which has better ratings — Async JavaScript or Web Worker Offloading?
Are Async JavaScript and Web Worker Offloading free?
Which plugin has better support — Async JavaScript or Web Worker Offloading?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.